MCP Concept illustration

mcp_server_simple.py

import os
import requests

from fastmcp import FastMCP

mcp_server = FastMCP(name="Example MCP Server")

WEATHER_API_KEY = os.environ.get("WEATHER_API_KEY")

@mcp_server.tool()
def weather(location: Annotated[str, Field(description="City (London) or ZIP (10001) or IATA (DXB) or coordinates (48.8567,2.3508) to get current weather for")]):
    """Get current weather for location specified by City (London) or ZIP (10001) or IATA (DXB) or coordinates (48.8567,2.3508)"""
    if not WEATHER_API_KEY:
        return "No weather API key provided"
    return requests.get(f"https://api.weatherapi.com/v1/current.json?q={location}&key={WEATHER_API_KEY}").json().get("current", {})


if __name__ == "__main__":
    mcp_server.run()